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Consider the reaction of steam with pure Si. Si + 2H2O(g) ---> SiO2 + 2H2 (1)...

Consider the reaction of steam with pure Si.

Si + 2H2O(g) ---> SiO2 + 2H2 (1)

How many elements are involved?        _______ Which ones ____________________________

How many components are involved?    _______ Which ones ___________________________

How many independent reactions are involved? _____________________

Write the formation reaction for steam.

___________________________________________________________________   (2)

Write the formation reaction for silica.

_________________________________________________________________

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Answer #1

Solution :-

Consider the reaction of steam with pure Si.

Si + 2H2O(g) ---> SiO2 + 2H2   

How many elements are involved?

Elements involved are 2

Which ones = Si and H2

how many components are involved?   

Components involves are 4

Which ones = Si , H2O, H2 , SiO2

How many independent reactions are involved?

Independent reactions are 2

Write the formation reaction for steam.

Reaction of the formation of steam is as follows

2H2(g) + O2(g) ------ > 2H2O(g)

Write the formation reaction for silica.

Reaction of the formation of the silica is as follows

Si(s) + 2H2O(g) ---- > SiO2(s) + 2H2(g)

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